Notorious Spectre CPU vulnerability returns hitting JIT engines via side channel attacks

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New Spectre variant exploits processor prediction behavior in just-in-time compilers

Researchers demonstrated practical attacks against Intel-based Linux systems

Vendors released mitigations as security teams assess performance tradeoffs

The dreaded Spectre vulnerability which had chip manufacturers scrambling for a fix a few years ago, has returned, experts have claimed.

Security researchers from the Vrije Universiteit in the Netherlands and Scuola Superiore Sant’Anna in Italy published a new report, detailing a type of attack they call Branch Target Reuse…